Cautionary tale from last year -- switching from full PPR to half PPR almost ended our multi year league and it was entirely avoidable
Couple years same league same format until someone brought up half PPR a few weeks before draft.
Our commish made the call to switch based on majority support in the group chat i.e. the 4 loudest people agreed and everyone else either didn't see it or didn't respond, which he interpreted as consent.
Season starts. Two managers visibly checked out presumably because they didn't like the switch. One of them w a running back heavy roster basically stopped setting lineups by week 6. We limped to the championship and this league lost two more managers in the offseason. multi year league almost done over a scoring format change.
The thing is the outcome might have been the same either way. Maybe the league was always going to switch. But the way it happened is what created the resentment. Managers who felt like it was imposed on them checked out, even some who probably would have voted for it if properly consulted.
If you're thinking about changing your scoring format (and a lot of leagues are moving to half PPR or adding TE premium right now) just run a real vote first. Not a group chat temperature check. An actual vote where every manager participates and the result is clear. The decision almost doesnt matter as much as the process does.
***And really this goes for any major/consequential rule change.