No, this is very very rare on things that aren't Windows.
Lots of people say "registry corruption" when they mean "cruft"; over time apps register shell extensions and various other systemwide bits and pieces that gradually reduce UI responsiveness or break in strange ways.
Yes it is. No it isn't. Yes it is. No it isn't. Repetitive much?
There's nothing wrong with the network stack in Windows. NT has always had a first class network stack and they keep improving it with every release, as is normal for any modern mainstream OS.
PS: That Google link I assume was provided for humour rather than any real substance.
So there is no real distinction here between a Winsock reset and the equivalent operations in the other 2 big OSes. The difference is that whilst Windows holds its network configuration in the Registry (ugh), the other two do not. The operations being performed is otherwise pretty much identical.
No, this is very very rare on things that aren't Windows.
Lots of people say "registry corruption" when they mean "cruft"; over time apps register shell extensions and various other systemwide bits and pieces that gradually reduce UI responsiveness or break in strange ways.