Sometimes, like when transitioning to a new report suite, you need to send Analytics calls to different report suites utilizing different variable mappings. In DTM you could do this by installing 2 instances of the Adobe Analytics tool in your property and naming the trackers differently. This cannot be done in Launch.
We would like to see the Analytics extension updated to allow multiple instances of the tracker. Basically, make the s_gi() capability available in Launch without resorting to a lot of custom code.
For implementation ideas, look at the Google gtag Extension that Acronym published.
