Why has Sam allowed himself to be made a laughing stock by dressing differently, hanging with a loser like MM, having a supposed friendship with WS and PC and other baffling behaviours? Has he lost control of his life/image/brand? He could look to Caitriona to see how to handle fame and future. She seems to know how to make the best of playing the "game" and she is certainly doing better than him!
1. The general public, his fanbase as a whole and the show’s viewership don’t think he’s a laughingstock because he wore a few outfits some fans didn’t personally like.
2. The general public, his fanbase as a whole and the show’s viewership either don’t know about her or don’t care. Also, she’s a nobody, not a loser.
3. The general public, his fanbase as a whole and the show’s viewership don’t have any clue about the fire and brimstone-laden shitshow Shatner and his cronies rained upon.
Taking all of that into consideration, the answer is no, he hasn’t lost control of his life, his image or his brand. Someone may not like how he looks, who he’s publicly linked to or the online company he keeps, but that doesn’t mean Sam isn’t handling fame or his future well in the grand scheme of things. If you think that, fine, but drops in the ocean rarely affect the tides.