[mattwg]

I think it makes a bit of sense. For a lot of companies Twitter is already a major point of customer interaction and retention. Maybe Salesforce feels like they could monetize that aspect of Twitter, with the advantage that a ton of consumers are already there and using it.

[abz10]

It will introduce a conflict of interest, where the side that has is paying Twitter.

The perception alone of a conflict means people will 'find' it all over the place and those examples to their bias until slowly and gradually no one will trust the service anymore. Even if Twitter never changes anything.