It's in reference to the already existent H-2A seasonal agricultural visa. He didn't say it explicitly but what he described was a system which already exists, where workers here illegally but which are otherwise law abiding can apply for the visa program, and if they adhere to the requirements of the visa while on a probationary program they will be allowed to maintain their visa status.
I mean, if we're talking about "disrespect," I don't know what could be more disrespectful than Putin totally standing Trump up on peace talks. Meanwhile, Zelensky virtually prostrated himself and apologized to the American people on national television. Additionally, Zelensky promised preferred partnerships with American companies. Meanwhile Putin has told Trump to get fucked at every turn while actively undermining our allies. As for Patriots, the vast majority of our stock depletion has been due to conflict in the Middle East. Frankly I am of the opinion that a total Ukrainian victory is objectively the best outcome for the United States. We secure a solid ally on NATO's eastern flank, a geopolitical rival is exhausted and humiliated, and Ukraine, devastated by war, will be given tens of billions by the IMF, UN, and EU for rebuilding which a significant amount of will go to American companies contracted to help Ukraine rebuild.