I may actually be mistaken here since having briefly scanned back through the document it was actually the CMA who raised the concerns I was referring to, couldn't find any direct quotes of Sony saying them:
So I'll actually refer it to you to show where Sony has requested the things you're stating they are requesting:
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Doesn't need to be a hostile takeover. Twitter went from "not interested" to selling once the amount of money on the table became clear. There are many similar stories in the past with regards to publically listed companies, especially when the prospective buyer states intent, even if it's initially just enough to get a place on the board.
And the bold is precisily why further consolidation in this industry would not be a good thing.