if a miner minted a block today that had 1 segwit-like TX in it, i seriously doubt that block would be valid.
It would be valid, of course. Perhaps you should consider posting less and studying more? -- not trying to insult, but without the basics you're wasting people's time.
If this stuff is so simple why don't you explain it. If it's too complicated to explain why are you intentional complicating Bitcoin, its not like we don't understand how its supposed to work.
Here, Greg let me help you bring this back on topic. Can you explain SegWit to a lay person who's been using bitcoin following developments and mining, and since Early 2011?
Quoting you here"
Perhaps you should consider posting less and studying more? -- not trying to insult, but without the basics you're wasting people's time" and I'm pointing out its not clearing up any of the FUD around SegWits.
could you please explain it from a high level instead of insulting people.