I think the actual internal business model is motivated more by the desire to capture the Tik-Tok audience than the Parler audience - it's much larger.
However, it is true that from a purely business viewpoint, you'd want a platform that was equally popular with left-Democrats, right-Republicans, and unaffiliated-independents.
It has been noted that Tiktok is not on the ban list, possibly because of Elon's personal decision to reinstate "libsoftiktok", a prominent harrasment account.
> equally popular with left-Democrats, right-Republicans, and unaffiliated-independents
A large number of forces are making this increasingly impossible.
They literally post exact quotes that have aged poorly and/or posts that are evidence of clear double standards and hypocrisy. That's a public service if anything.
However, it is true that from a purely business viewpoint, you'd want a platform that was equally popular with left-Democrats, right-Republicans, and unaffiliated-independents.