That’s almost unbelievable bad luck.
My (sh) 2010 314 has not had an easy life and is crack free. I’ve heard of Lapierre’s cracking but apart from a particular run (2009?) they seem to fail as often as any other frame – not often – but get stick for it because ‘everyone knows…’ The real surprise though is the cracking Float crown?
What grabs me is that these are all respectable components from different places. No way could you blame Lapierre for the manufacture of Easton’s wheels, SRAM’s Reverb or Fox’s Float.
Maybe try some hire bikes at trail centres and see if they break in similar ways?