Because they own a giant, expensive home, with a garage filled with expensive toys.
Wealth typically refers to one's assets minus one's liabilities; evidence of assets does not suffice to demonstrate wealth. My point was that you are putting forward a reasonable general claim that is not necessarily true--even if this particular home seller is underwater on their mortgage, similar people exist that are not and one would expect the latter group to be more likely--at the same time that you are criticizing Heath for putting forward a reasonable general claim that is not necessarily true--people who own multiple ATVs and motorcycles and live an hour from the city probably consume more gasoline than the average Canadian and are unlikely to be a strong supporter of the environmentalist political coalition.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.