Well, duh. Seaborn is a plotting lib for research — you will probably make a couple of hundred calls to it in a week. In a week. After that, you will save your figures for the report and forget about your code. It's plainly obvious that you don't use it in a high load production scenario.

I just don't see how a person could spend 20 years using python and still can't figure out that you shouldn't hammer nails with a microscope.