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].
The original 128k Macintosh was $2,495 in 1984--that's $6,244.14 in todays (2023) dollars, just to put things in perspective.
Obviously there will be less expensive models to come; this is just the start. This will be mostly for early adopters and developers.