“Never fall in love with a company, because it can never love you back.”
Yes, employers suck and workers should enter into the employment relationship with the understanding that the employer is lying often and wants your labor for as cheap as possible.
There are decent managers out there, but even so, if you put your own livelihood up against theirs and they have to choose between the two, they’ll always choose their own.
Negotiate every year and job hop as often as you can to get pay raises. https://www.goodreads.com/book/show/4894.Who_Moved_My_Cheese_