Disadvantages of Open Source

Do you know, what’s the disadvantages of Open Source method?

taufik, this is obviously related to your other thread about open source. I’ll merge them.

Hackers can read the source and can then easely hack the program ?

eXPerience

I guess that and the fact that the good people working on it don’t get paid, at least not initially

open source?

It’s free.
Many people use it.
All of sources are opened.
So there are following disadvantages.
1.it predisposes attackers to abuse.
2.easy to reverse.
3.easy to modify.
4.easy to attack.
5.slow updates.
6.bugs.
7.nonody has the responsibility for any disaster followed by above.