Yeah, there were a lot of things dropped from the book to the detriment of the movie. In the book, the mobile infantry weren't just powered armor troops, that were trained under grueling conditions similar to Navy Seals, Green Berets, and (I'm assuming) British SAS. So when they lost 100000 troops at Klendathu, it was a much bigger loss than just losing 100000 general infantry. I'm not making light of the number of lives lost, but the rather the difference in impact that would have to a given military.
As for the books: like a lot of classic sci-fi authors that are revered, the books broke ground and introduced new concepts, but the writing isn't very good. For another example, Asimov's works were groundbreaking in concepts, but the writing was merely ok. Actionally, the last Foundation novle was horrible - not the concept, but the writing. He broke the #1 of writers: show, don't tell. That book had chapter after chapter of the two main characters delivering blatant exposition under the guise of them having "intellectual conversations." Blech. By contrast, Arthur C. Clark and Bradbury were good writers - though some may not enjoy their subject matter as much. Frank Herberts Dune (not a big a fan, but I've read it) is actually considered literature due to detailed universe and fully developed characters in his work.
Anyway, enjoy whatever you like - artistic merit isn't everything.
Yes, I agree, they do look good. They've been used as the basis for other sci-fi uniforms; I'm fairly certain the uniforms of imperial officers in Star Wars were based on their design.
I didn't know about the pink. Wow, that would have really popped.
I'm not surprised US helmet designs are/were based on theirs. There is a lot of tech/designs based on what the Germans had in WW2.
I also agree on not judging aesthetics alone. What concerns me is when fanboys embrace the whole package and start to act/think like fascists. I have no problem with Starship Troopers, per se, nor things based on it. Helldivers doubles-down on what that movie did, again for humorous effect. What's disconcerting is when people start becoming fans of that mindset at face value, rather than realizing the satire involved. Heck, it used to be a given that the Empire in Star Wars was bad. Then, about 20 years ago, someone made a joke about the Empire was good and the Rebels acted like terrorists. Today you have a number of people that actually say the Empire is good, or that both sides are good, etc.
The opinion of the fictional setting itself isn't what bothers me; it's the mindset of the people that sincerely espouse it. The popularity of authoritarianism is on the rise. There was a time when everyone agreed Nazis were bad (or they dissented, but kept quiet out of shame). Now they brazenly challenge that concept. Anyway, that's why the Starship trooper imagery and "Only good bug is a dead bug" bothered me.
I think I heard that before and then forgot about it. Regardless, that doesn't surprise me. As I mentioned above, they were very well designed uniforms.