Who am I to nail down fixed specs for every PC user in the world? Who are you?
And anyway the wait time to get into the Duluth Grill is long enough that anything we settled on would be obsolete by the time we got out...
Every PC user in the world? No one was even suggesting that.
The only thing anyone can ever do is aim for a segment of the overall market.
What
royalcrown is talking about is establishing a 'known quantity' platform. Apple has done it for decades and especially recently with iOS, Commodore used to do it, and at the big end of town Cisco and Oracle are doing it.
The concept is often referred to as "the liberating freedom of constraint". It's about freeing up the developer to think only about the things that matter.
I am a big fan if this approach. Yes, there will always be a market for DIY computing, but most people will favour things that just work and don't require all this messing around.