There was a deal (often in primaries) to entice/encourage the losers to support the winning primary candidate; 2016 was the pay-off.
In a few months she’ll probably be unable to stand on her own/unassisted; what do you think she’ll look like in 2020?
Yeah some said she couldn’t possibly stand and debate Trump and she couldn’t make it through the election blah blah blah. If she wants to run I think she will be able to stand and debate in 2020 just like she did in 2016.