One person's FUD is another person's eureka instigator.
I'm waiting for that to happen even once. Then I will be convinced.
In this space the reasonable a priori belief is that FUD is just FUD. That does not mean it can't be reevaluated in light of new evidence, but without evidence, no, and without reevaluation the a priori remains rationally useful.
The code is open to all eyeballs, just as is Linux. Github, including developer's forks on github are open. Discussions on #monero-dev and other suitable channels are also open.
There is nothing being hidden, but we await actionable competently analyzed information. So far there has been none.