If a 10 dollar price increase after 15 years is your breaking point, you probably shouldn't have been buying 60 USD games in the first place.
It's not a matter of means - I buy tons of $60 games. But I also usually try to weigh the value of the games I'm playing against their cost, and my time. Most Ratchet games are 10 or so hours for me personally, so I'm looking at $7 an hour. (most reviewers say 8-12, so 10 seems like a good bet). That's hard to stack up against other games or services - for example I'm currently playing through Tales of Berseria on PC and it cost me $5.99 and I've already put over 40 hours into it ($0.15/hr). I paid full price ($60) for Animal Crossing last year, but between my wife and I we've played it nearly 800 hours so I consider it a good value ($0.07/hr). I put in over 60 hours each on Ghosts of Tsushima and Final Fantasy VIIR last year, both of which I paid full price for ($1/hr). To compare apples to apples with similarly sized games, I bought Mario 3D World / Bowser's Fury for full price and played through it with my son and it took about 10 hours, so $6/hour more or less (assuming I don't play 3D World, which I probably will at some point). That's pretty much the upper limit of what I'd consider to be a good value, and I still might get another 10-15 hours out of that game somewhere down the line.
I also know myself well enough to know that a losing value proposition on a game's price is going to drastically reduce my enjoyment of it, especially if it's a short game like this. I'll usually start being more and more critical of the experience the closer I get to the end. I can wait five months til it's on a pretty good discount over Black Friday (it'll also give them time to work out any bugs and issues, optimize performance, etc.) and probably enjoy it overall more than I would picking it up now because I'll be paying less. Not calling anyone that buys it at $70 a sucker or anything, just trying to give some insight into my own fucked up brain.