Technically they did remaster several parts of FE1 for Shadow Dragon...it's just that aside from the Class Changing a lot of it arguably made the game worse.
I use the term "raising a stink" because...well, refer to the rest of the Internet for the answer. Or don't, actually, I don't want to be responsible for giving you hypertension. I mean, I don't care much for the removal either but I find it hard to get invested when I'd venture a guess the creator(s) really don't give that much of a shit either.
And while I'll agree the US generally has a really odd relationship with sexuality in their media, the sexuality alone isn't why a lot of people don't like waifu stuff. I describe it as obnoxious because over time, waifu stuff has become so embedded into its cliches that its getting to the point of self-parody (and then arguably kept going). Note that I'm not even saying I don't like some of it myself in moderation, but being perplexed by why some people would be turned off by "just a head patting minigame" is kind of missing the point.
Also in regards to #FE- even if you want to discount the knee-jerk complains from the website comment shitposting brigades (which would be completely understandable), go look up how the game sold...in Japan.
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