It could also be that the most popular languages in the corporate world are a compromise somewhere in between enjoyable/exciting and horrible/boring. (My assump

It could also be that the most popular languages in the corporate world are a compromise somewhere in between enjoyable/exciting and horrible/boring. (My assumption is that a large weekend ratio correlates with enjoyable/exiting.) The ratio of sample sizes in the OP also isn't that bad, and none of them are very small.