The song doesn't mention Muslims. Only you have done that.
Billy Bragg did indeed change the lyrics of one of his songs to push gender ideology. He is also active on Twitter attacking JK Rowling. Many would describe JK Rowling as expressing sane, common sense views on this subject, and the likes of Bragg as 'bonkers'. Would you?
You basically don't like this 'conspiracy theory' because you perceive it as 'right wing'. You have spoken many times about 'systemic racism' in society. That is a 'conspiracy theory'. It may or may not be true, but it meets all the criteria of a 'conspiracy theory'. A 'left wing' conspiracy theory.
Notre Dame has been a target of terrorism for years. It's really not that 'bonkers' to question why the French authorities ruled out arson within 24 hours. The attack mentioned below was about 2 years before the fire - and demonstrates how Notre Dame was very much a target.
Police say another operation was planned by group, one of whom had been engaged to two men who carried out deadly attacks
www.theguardian.com