It's also a good way of leading to burnout, and may not actually help in the long run. Definitely can be useful to show off at an interview, but doesn't necessarily always work because the interviews may realise people may have other source code platforms, may not have free time because they're a care giver etc

https://www.jvt.me/posts/2017/02/07/open-sawesome/ is a post I wrote after doing 24 Pull Requests in a month, while juggling things in my life