In SotC's case, it felt to me like a soulless shot-for-shot remake that traded the original's timeless visuals for on-the-nose modern sensibilities using today's techniques. The result was a thoughtless and emotionless facelift that lacked much of the artistic vision of the first game.
As for R&C, I never played the original but I've played the PS3 games and the 2016 game felt like it was just going through the motions. They didn't commit to any of the jokes, they just read them like other recorded lines which made the game feel like it lack passion and effort. As if the developers were bored, knowing some of their co-workers were working on Spider-Man in the next room.
I don't have a problem with remakes. In fact, I might be into them more than I should be. I loved games like REmake and REmake2 and currently having a terrific time with Pokemon Let's Go. It's just I felt SotC and R&C might've been developed for the wrong reasons, whether it's pure cash grab or as stop-gaps, if the right desires aren't there, in the end, I think it sullies the series, the brand, the memories.