Is it pathetic to be a 28 year old male virgin?

No. It's statistically unusual. It may be the result of difficulty socializing. But it's not in itself pathetic. If that's something you want to change, there are ways to go about it. It's certainly not easy to subject yourself to the horror of intimacy, but I think facing that difficulty head on with clear vision instead of pretending that it's actually easy and there's something inherently wrong with you is a good place to start.