Kai Mast
Kai Mast
@kaimast.com
Computer Science, New Urbanism, Transit, and more. San Francisco, CA | https://kaimast.com
241 followers287 following514 posts
To be fair, part of it was because @scottwiener.bsky.social is a much more experienced debater and it seemed like the moderators were not enforcing equal time
It was especially strange that @conniechansf.bsky.social's main attack on Wiener was that his AI regulation bill was supposedly not strong enough. That may be true, but it felt out of place considering she has virtually no legislative record to stand on.
TIL: San Francisco almost built a freeway down Mission street after WWII. I am happy it did not happen but it makes me think about how many beautiful neighborhood this country has lost because. (Source: en.wikipedia.org/wiki/File:19...)
San José's population density (5.6k/sqm) is only a third of San Francisco's (18.6k/sqm). They should aim to at least double their population.
San Jose considers quadrupling housing density in single-family neighborhoods—Supporters say “upzoning” is necessary to… www.mercurynews.com/2026/08/15/s... Ryan Macasero @mercurynews.com
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It's genuinely a massive problem that the median voter both 1) believes "criminal illegal immigrants" to be an astronomically more serious threat than they actually are, and 2) believes that the legal immigration process is substantially easier than it actually is.
I understand your position, but those are different situations. People straight up both envision a system much milder than exists and cannot imagine a modern world without that imaginary system. By default they have no real grasp of reality on the matter, but are usu. sympathetic to individuals.
By the end of the year, the Iran war will most likely cost more than all of California High-speed Rail (Phase 1) www.theguardian.com/us-news/2026...
It is ironic how many people oppose speed cameras because of supposed mass surveillance, but are totally onboard with AVs.
When I see "Waymo saves lives" op-eds, I always do a quick search to see what the author has written extolling protected bike lanes. Or automatic speed cameras. Or road diets. The results are always the same: Nope. Nada. Zilch.
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Our national forests are a treasure. The Trump admin's gutting of the US Forest Service & threats to sell off national forests to states or even corporations puts these ecosystems at risk & can contribute to elevating wildfire dangers. It's an attack on science-based stewardship of public lands.
I am legit shocked to learn that in California the fine for passing a cyclist too closely is only $35. It is $220 if you injure them in the process. california.public.law/codes/vehicl...
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It should be illegal to manufacture electric micromobility devices that go above 20 mph. And yes, cars should have speed governors.
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"e-bike shame" is a fascinating social dynamic. e-bikes are a kind of mobility aid. People don't use the term, but they recognize it. So e-biking gets a stigma, like walking with a walker gets a stigma. And like walkers, wheelchairs, etc, using a more-assistive car instead isn't stigmatized.
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It is already absurd that he helped wreck the UK with Brexit and then just sailed off to the US. But him now pretending like this qualifies him to be governor of California is — to use one of his favorite words — ridiculous.
‘He’d be terrible!’ UK political veterans baffled by Steve Hilton’s run for California governor
Interestingly, they posted an audio recording on Spotify open.spotify.com/episode/4Cvj...
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It's getting to where this is a daily Bay Area occurrence. Once again, a senior citizen driver, this time in San Francisco, has jumped the curb while parking and killed a pedestrian. We badly need better mobility alternatives for our elderly neighbors. sfist.com/2026/03/27/p...
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