You sound like you're not a home owner. In populated areas it could take a week to get a electrician or plumber out. And contractors are hard to find.
Eventually. Wage depression does not happen linearly. You're asserting that demand is maxed out and there's no more money to go around, and that's just not true. A lot of people just don't bother because tradespeople are famously difficult to work with because they are so overbooked.