I dont think we'll see 2014 level poor turnout for a while
Just this week Morning Consult released a poll saying that Democrats are wearing out and the GOP is getting more motivated.
If Biden can't get something substantive (i.e. not the bipartisan infrastructure bill) passed, then we might have a chance, but if he doesn't I think that we are looking more at a 2014 level of turnout than 2018.
The American Jobs & Families Plan's FY2022 reconciliation package & the public option's FY2023 reconciliation package?