I can also confirm the issue with the rudder/tiller (also present on the A310).
What I find surprising is that beta testing did not pinpoint this and a series of other issues, such as the "aircraft overstressed" flight termination as soon as a door is opened.
It appears to be more and more widespread these days that popular YouTubers make a product appear flawless when it is not. Perhaps because of political correctness, they only emphasize the bright side - but this is misleading. YouTubers are not necessarily capable of properly testing a product or identifying issues, regardless of whether they are "real-world pilots" or not. Simply, a more strict quality assurance is needed. But customers are also responsible for this "new norm" because they appear to be accepting anything less than a fully release-ready product. Fanboys appear in Forums to "defend" the developers instead of realising that it is in everyone's interest for the product to be immaculate.
Of course, as long as a developer listens and makes every effort to address bugs, there is no need to panic. The problem is when bugs are not fixed even after they are reported several times, which - as an example - appears to be the case with the A310 tiller/rudder, and behold, the same bug is now plaguing the A300.
I agree with OP that the product appears to be rushed. Bugs like the ones listed should have been picked up during testing. This cannot be explained away - the only explanation is that either the testers are not suitable for their role or their reports were ignored. I spotted the majority of the issues in the first 15 minutes and I did not even make much of an effort. Customers should demand quality and stop accepting half-baked items.