There certainly was more than enough debate regarding the acquisition of RedHat and I heard a lot of different opinions of the matter ( mostly negative), but this article shares a really good view and it pinpoints the main reasons why there is a big probability for this acquisition of becoming IBM’s biggest fail. Definitely a good read, I recommend it.
https://www.itpro.co.uk/open-source/32430/ibms-red-hat-acquisition-could-be-disastrous-says-puppet-exec