You and me both buddy.I have no desire to return to the days of calculating a whole different CMD that only gets used once every five fights and ten characters.
I find this very implausible but obviously I can't disprove what your personal experiences are. It's quite difficult to get AC18 for a lower-level PC though, especially if they're not DEX-based or in Heavy Armour and not covered in magic items.I rarely see a combat oriented PC with AC less than 18 and usually considerably higher. I rarely see monsters with AC more than 18.
I mean there's no way for the player to scale it, so it's never going to be any higher than the default value. Whereas with the previous Grapple you could find ways to scale it, like getting Advantage on the STR check. So no, it doesn't scale in the sense I mean. At all.It’s also scales in continuing, because the save DC keys of proficiency. I really don’t understand what you mean when you say it doesn’t scale.
That's not realistic given 5E's "bag of HP" approach to monsters. You don't randomly surprise-kill monsters with a melee attack in 5E. You'll know if you're close to the point where you'd be better off killing them.Any decision to shove has to be balanced against the fact that you might just kill the person and not worry about the grapple at all.