I don't think the ISU needs to change the TES minimums for 2021 Worlds, but they should loosen up on the timing and method of how they were achieved, due to the extraordinary circumstances of the last year. Specifically:
1) Expand the look-back period for achieving TES minimums to at least the last 3 seasons, maybe 4. So at a minimum, SP and FS scores from the 2018-2019, 2019-2020, and the essentially nonexistent 2020-2021 seasons could all be counted as valid. Possibly even include the 2017-2018 season as well. Existing rules that SP and FS minimums don't have to be from the same competition remain.
2) Allow the (senior) TES minimums achieved at an ISU junior competition during the expanded look-back period, to also count as valid.
3) For new teams in pairs and dance, allow the TES minimums attained by either partner in a prior partnership to count, subject to video review of the newly-formed team by an ISU panel.