Original work doesn't exist. Everything is a remix of old ideas. For example, one could argue that Stripe is just a copy of one of the many already existent payment processing APIs, with better marketing. What exactly do you do that's so different? Better ad copy?

And honestly, the things you say are "copied" are fairly lame things that anyone could've done. It's not like they stole any secret sauce, like when Boeing used industrial espionage to steal information on rocket manufacturing from Lockheed Martin.

Competition exists. You don't have a right to monopoly. Suck it up, because you just aren't that original.