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For balance, he wrote some genuinely interesting and non-creepy stuff (e.g. Stranger in a Strange Land). He had some range, although nowhere in it could he write women. Starship Troopers the book is just "John Wayne makes a Vietnam War film in space". His core fans will either have been disappointed by the Verhoeven film or missed the joke in the way so many MAGA hats didn't realise The Boys is a satire.
Well, the book is an all-out glorification of macho militarism. You might want to follow it up with Haldeman's "Forever War" as an antidote. Heinlein wrote some interesting stuff, but a fair number of his books are just nasty, not quite tipping into fascism but really dodgy and unpleasant.
He wrote much worse things than Starship Troopers, though. I hesitate to name them in case some poor soul reads one and discovers that there just isn't enough mind bleach in the world.