The value of the house didn't go up because the owner did anything. So why should the homeowner reap such a massive reward? And now that they've won the lottery the rest of us have to subsidize their taxes! It heavily incentivizes people to vote in favor of a housing shortage.
It's gotten so bad in SF that high housing prices actually are driving up the cost of services. Every worker from barista to bus driver has to be payed enough to afford living here or to commute in.