It is likely a combo of Python + someone not good at using Python with networking. When working with anything that talks a lot over networks you need to use thr

It is likely a combo of Python + someone not good at using Python with networking. When working with anything that talks a lot over networks you need to use threads or separate processes to keep things feeling responsive during network delays. Python doesn't make this easy, so lots of devs skip it and it makes the programs feel sluggish.