There is that. However, as a bit of an introvert I find it a great tool for meeting people. Of my most recent partners (ans by recent I mean within the last 8 years) 8 of the 9 of them I met first online.
Mostly that's a work issue leaving me with limited energy on week nights which is improving and will do so more when I find a better job. Then I hope to be a bit more real life social