However Mr. Tan’s ardour, as it’s for a rising variety of tech business leaders, is San Francisco politics. He’s one in every of a cadre of love-them-or-hate-them tech executives and traders with plenty of opinions in regards to the metropolis and infinite piles of money to, as they are saying within the tech business, transfer quick and break issues. (Their critics would say it’s extra like they’re making an attempt to purchase Metropolis Corridor.)

To a few of San Francisco’s political institution, Mr. Tan, 43, has grow to be essentially the most annoying in a parade of rich tech executives. He has created a bombastic on-line persona whereas spending about $400,000 on native politics previously few years — with probably much more to come back. And on the social media website X, the place he has 425,000 followers, Mr. Tan doesn’t simply rub some individuals the incorrect method, he enrages them.

Simply after midnight on Jan. 27, he posted on X, previously Twitter, that seven left-leaning members of town’s Board of Supervisors, listed by identify, ought to “die sluggish,” punctuated by an expletive. It was a refined reference to the rap legend Tupac Shakur’s well-known monitor “Hit ’Em Up,” launched 28 years in the past as an insult to his music rivals. However to some individuals, it seemed like a menace.

Mr. Tan was, he admitted when an X follower requested him, drunk.

A number of hours after his put up went up, Mr. Tan deleted it and apologized. However loads of individuals had already seen it.

A few days later, some supervisors acquired nameless letters at their properties bearing Mr. Tan’s face and the phrases: “Garry Tan is correct! I want a sluggish and painful demise for you and your family members.” Aaron Peskin, a supervisor who’s contemplating difficult London Breed, the San Francisco mayor, within the November election, was one of some supervisors to file police studies primarily based on Mr. Tan’s put up.