He literally threatens the MC in half of his interactions. I'm pretty sure that for most people here, he's pathetic because whenever he acts strong, he does so in a very weak way. And that's mostly on the writing. Just watch how he reacts to being mocked about Cazador.
And on that note, that would have been the perfect occation to give him layers. Make him go very quiet, or make him laugh it off in an extremely stilted way. From such a character, sudden self-control and/or silence are scary/intimidating. The umpteenth cringey speech about how powerful he is, followed by a dramatic strutting off, is just the umpeenth ugh. Like, come on.
