Erdogan says this stuff just about every week. Not this exact thing, but he'll express something pro-Palestinian/anti-Israeli and then either do nothing or do a very small action, usually reversing it quietly. Turkey has the capacity to cripple Israel at any time if they cut off oil flowing there, btw. Erdogan doesn't even have to do anything involving direct military confrontation. Just shutdown the oil flow from Turkey to Israel. They'd be fucked. I mean I assume Biden would be immediately doing cost analysis on flying helicopters and cargo planes with barrels of oil to Israel ... but yeah. Turkey and Erdogan hold a lot of power and will exercise approximately none of it. He just has to please the majority pro-Palestinian Turkish population. Turkey is another puppet of the US even if that's a hard thing for some to admit. They have been for a long time