[andrewflnr]

In what way is it horrible and (in reference to others in this subthread) how is it due to it being written by C++ programmers?

[javadyan]

For one, it is horribly slow. I do not know for a fact that its slowness is caused by C++ as a language or by the quality the programmers who wrote Monotone... but it is slow nevertheless and that is all I know. By contrast, git is extremely fast. Go figure.

[andrewflnr]

According to the wikipedia article about it, it's caused by obsessive cryptographic checking.