The house cost 6k, 34 years ago. That's not the value of it today. Very misleading.
True... today, it would have cost upwards of $150k.
Microsoft would have just used eminent domain. (Ok, just kidding. Microsoft actually built a campus near Seattle where, because the owners of some of the homes wouldn't sell, they built the campus around the homes and integrated the landscaping with the campus.)
Anyway, classy move on Apple's part. They found the price that made it worth while for the sellers and paid it.