If you look at the historical ratio of income to the price of computers we're literally orders of magnitude wealthier. You can't just pick one data point and blast off.
You're ignoring interest rates which allow the overall price to go up while keeping the monthly payment the same and the fact that houses have gotten a lot bigger over the decades [0].
If you look at the historical ratio of income to the price of housing you'll see we're making less compared to the cost of things every year.
Pull up a chart of "FRED:ASPUS/FRED:MEHOINUSA646N" on https://www.tradingview.com
edit: took a screenshot to save the trouble https://imgur.com/a/U5ml4Iq