"Security professionals generally recommend avoiding reliance on any single encryption system and instead evaluating well-reviewed full-disk encryption alternatives such as VeraCrypt".

If they put a backdoor into FDE it would make more sense to advise people to stop using windows at all and using Linux instead. If they put a backdoor in FDE you can be sure there is not just one backdoor in the operating system itself. You shouldn't trust proprietary software at all. You shouldn't even trust open source if it isn't properly audited.