Let's talk about this statement for a bit: First you imply that "free" updates MUST come from "optional MT", in which case, the alternative scenario would be no updates if the MT did not meet the required of funding. This of course is NOT implied by Blizzard (if it was please point them out), which would mean you're making this all up just to guilt ride the people who are against MT in the first place.
Then there's the issue with $60 price point. Yes, games are getting more expensive on the run, but this is entirely on the scope of the developers and they are NOT required to go higher than what they can afford. If Blizzard could sell even 5 million at $60, that's 300 million DOLLARS, even taking the 20% share out for keeping, that is a lot of money for 1 game, especially in this generation. Going by the beta, reception they can make much more.
The point of MT is that it justifies an alternative funding for FREE games. That is when your argument makes sense. Just because you go AAA doesn't automatically mean charging a full priced fee gets to have the same benefit as well.
Just imagine the world you live in where MT's are mandatory for the escalating scope of development. That would mean the AAA industry is going to be even more saturated that it already is, because not ALL game genres resonate with MT receptions in the same way.
They typically are though. Maybe it's because I come from MMOs but I'm used to having to pay for continued support of a product I enjoy. Income alone isn't enough--as very clearly proven by the number of sequels that make their way onto Kickstarter despite their first go-around being pretty successful.
You're also ignoring the fact that it is
mandatory for AAA games to embrace the rising cost of development because it's what consumers expect. It's a grave they dug on their own; But it's also not a bad grave. It's one that's inevitable in just about every consumer media. Prices have to go up or other sources of funding have to be discovered as technology advances faster than people can develop for it.
How many times do you see people bitch and moan about "indie" games because they look cheap and don't have the glitz and glamour of AAA games despite them oftentimes having better gameplay systems.
Better yet, do you think Uncharted 4 would have received the praise it had if it didn't have that glitz and glamour? The SP doesn't have MTs because it likely isn't going to expand for free.
So, yes. I feel secure in saying that free updates have to be paid for somehow. Or would you rather people only make one bulk of money and piss that away on further updates without charging more for them? What about the games that don't make that huge bulk of money? What about updates that seek to continue on past the cost of the initial sell-through?
Personally I prefer MTs that I have no need to engage with compared to needing to buy a season pass sight-unseen or wait and pay more for DLC down the line. Your mileage may vary, but calling a game out that does it "right" in regards to MTs is asinine.