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I prefer full remakes if done well, but it's a lot riskier, both from a publisher perspective (requires a lot more investment and higher sales expectations) and fan perspective (much more potential to screw up). That was probably why Metroid Prime was a remaster and not a remake.
Resident Evil 2 and 4 really benefitted from a complete overhaul and the fan base in general seems very open to them doing this with the series, so long as it's 1) high quality, and 2) retains many of the best gameplay and story beats. Here Resident Evil 3 apparently fell short. I hadn't played the original, so I enjoyed it, but it felt very short and there was obviously missing bonus content. RE4 Remake is also missing extra content that's obviously going to be added as paid DLC, which is annoying, but the main story has been extended to such an extent that I didn't miss it as much as I expected to.
Even remakes should vary in scope and scale. If, for example, Bluepoint had done a RE4 Remake to Shadow of the Colossus and changed everything I would've been absolutely disgusted. It's a beloved game that borders on being an art piece, so it'd be like someone having the audacity to re-write a classic novel (which, while I'm on the subject, is also a trend I find reprehensible and Orwellian). I'm sure people would have felt the same about The Last of Us Part 1. In those cases a subtler hand is required.
