Total non-sense; this might have been true about the first ones off the line 2 years ago but hasn't been the case for some time. They also seem to be selling them faster than they can make them so even if true which it isn't the market doesn't seem to care.
People have been upgrading Tesla for years already. There are been some very extensive surveys about Tesla reliability (about all kinds of defects) and owners say they are overwhelming satisfied, overall: https://www.bloomberg.com/graphics/2019-tesla-model-3-survey...
