Everyone can get access to the internet so there really is not excuse for repeated longer periods.
Not strictly true. I was at a university summer school with no internet access for the entire period (and no way to get to it) and as a result timed out two votechess games! But life goes on.

I am a recent member and I like the whole site and facilities very much. But the vacation policy I think needs rethinking. I have been playing one person in a tournament for about eight weeks. He has had one vacation period already and now in a totally lost position he has taken another. He has now has a further 22 days to make a move but may be back sooner! Clearly this round of the tournament will not be over until matches with him and similar vacation players are resolved.
So I would recommend you can only have one vacation and only for 14 days. Everyone can get access to the internet so there really is not excuse for repeated longer periods. Interested on contray views of course!
So I would recommend that you can only take