Am I dressed like an Arab?

Reject modernity, embrace tradition😉

You are right brother In this matter Arabs and Afghans are the best examples we keep our tradition alive we proud of it , Persian should return to their roots

Afghans are Persianate people. Their attire is not distinct from Persian attire.

Iranian Monarchists are happy to see someone with Western clothing instead of native clothing

The Kurds didn't. But you don't count them?

… it’s appropriate to distinguish your clothing as “Persianate”, not Iranian, or Persian… Influenced by Persian, Turk, and Arab culture, not Iranian. It’s not wrong to see you as Arab-influenced—your turbans, loose clothing, and Islam all reflect that. You embody medieval Islam more than you’re willing to admit.

At 00:37, he is wearing traditional Afghan embroidery. And he has worn many Afghan attires in his videos.

Do you think a revival of Persian clothing is possible for secular Iranians? Also, where do you get your clothes?

The traditional attire, dance, and music often attributed to Persians actually originate from Azerbaijani Turks. In reality, Persians do not have a distinct national tradition in these areas.