I've submitted this link because the topic is interesting to me, and !functional_programming@programming.dev is practically dead, with the last post dating back over 10 days.
For those who are down voting the contribution, be my guest and do better: submit interesting content.
A company might want to extend it's service offering with a build pipeline/CICD system, and buying GitLab would get them the best-in-class service.
Microsoft bought GitHub for much of the same reasons, and GitHub didn't went to hell after the acquisition.