Live A Live on Switch is the example everyone should be pointing to of what a proper 2D-HD remake of FF1-6 could (and should) look like.

It's actually an almost offensive level of laziness, as a consumer, to have a company like Square Enix try to sell me a full-priced remaster collection that only includes partial use of 2D-HD in certain scenes and what essentially amounts to cheap 2D mobile game graphics everywhere else. And the difference is jarring. For the price I'm paying, I expect the full 2D-HD treatment, not...whatever half-assed nonsense this is.

Edit: Also, Octopath doesn't "get away with it" because of filters, it's a game made entirely in 2D-HD, which is why it's consistent. Same with Octopath II and Live A Live.