It's just a specific breed of tech companies that have poor customer support. Many of them can trace their lineage to a single VC firm that embraces regulatory arbitrage and penny-pinching on the customer support functions...
poor developer documentation, the majority of their operating systems and programs have no comprehensive manual to even RTFM with, their operating systems and software frequently obscure any information necessary to even begin debugging issues or sometimes even work out that an issue is even happening (I’m looking at you shitty infinitely moving progress bars telling me how far away my last operation is) … they have good hardware support, not good software support.
hell amazon cant even do shit about fake reviews. these client-facing problems are really hard to deal with and cant be solved by just throwing more humans and more money towards it.
Let's ask the general question: why do large Internet/tech/software companies tend to have lousy support?
The answer is that, somehow, good support is not a factor in the viability of these companies.