IDK if you'rejoning, but jet fuel can 100% melt steel beams. That's basic physics
Jet engines themselves get to >3000F consistently, despite being actively cooled. More than enough to melt steel
Kerosene combustion releases a fixed amount of energy per unit of fuel. You can get it to an arbitrarily high tenperature if you want
The half time controversy is because Bad Bunny is doing it. He's a Puerto Rican musician. He is Latino, but is an American born citizen, which the Trump administration took as an intentional slight by the NFL