I don't know if people hate Sims 4 (but may be a least favourite installment of the Sims franchise) but I definitely see and understand frustration and disappointment. I do think feedback is helpful but it has to come with details, suggestions, etc. But sometimes people just need to rant.
I am a cautiously late starter to Sims 4, so I haven't been around long. I do find mods immensely make up for many short falls, and I didn't need mods in previous installments. So there is some hesitation to this installment. However, with mods and not having overly high expectations—I have really been enjoying Sims 4's EbN (with RoM, CoL, L&D, etc.) and it is giving me reason to give it more of a chance. But I will still give feedback in hopes it helps improve the game.