There’s much more, BienTech, than any circumstantial evidence.
That’s especially the case, with this issue: what has been «working normally» was a marginal use-case, far from the principle intent of the tool (email: the principle intent being human-to-human communication) being used. Such are always unstable situations, and subject to “breakdown” at any moment, due to forces outside the users’ control.
As for moderators: the moderators that “watch” these forums have no obligation to report technical issues to Apple Support or Technical personnel.
If you want something reported to Apple, you had best provide the Feedback via the supplied channels.
Anything else is a practice in futility.
In fact, simply complaining, within these fora, without any actual attempt to provide Feedback, or contact Apple Technical Support, yourself, can be taken as an indication that any actual response, from Apple, is far from your intent: you’re simply complaining to be seen complaining.
In other words, if you actually want change, then only complaining within these fora simply works against your claimed desires.