They are extremely relevant. Office buildings have floor plates that are simply unlike residential ones. Rules of that kind are probably to discourage (i) conve

They are extremely relevant. Office buildings have floor plates that are simply unlike residential ones. Rules of that kind are probably to discourage (i) conversions from commercial for old buildings that weren't as differentiated, possibly and (ii) stealth residential projects that are proposed as office for expedited planning review. SPUR recently hosted a panel with AIA and large developers which basically said that repurposing an existing office building is as expensive as ground-up development when it is feasible at all: https://twitter.com/maxdubler/status/1526651858143436801?s=21&t=_JUf7qdkT-gszF9V21MCQQ https://twitter.com/maxdubler/status/1526651858143436801?s=2...