Google not being to develop more offices is by no means “an incredible emergency”. The fact that there’s not enough space for people to live, that may qualify as one.

Growing property values isn't an emergency for homeowners who are the voters who keep these zoning laws in place. It's not that they aren't trying to solve the problem, it's that they are trying to make it "worse" and would fight anyone who tries to solve it. Tyranny of the majority. Politicians don't have that power - they'll be kicked out if they harm their constituents' interests.

See "the high cost of free parking" for a complete answer

Heavily oversimplified, back when cars first became available to the middle class city politicians had a rude awakening when street parking became congested.

Minimum parking space requirements were decided on with an overly simplistic formula focusing on providing for peak demand.

And it never really got better from there