They will be running single cars. Trains will be scheduled to run every 5-7 minutes during peak hours and every 7-10 minutes during off-peak hours.I'd prefer something like that obviously though I feel safer in subway stations knowing there is an attendant not too far away.
I think mentally we treat lrt/streetcar differently than subways and it's death by 1000 cuts.
If you look at schedules like the 512 st clair the frequency is way down from 20 years ago, and still lower than when it was just flexites scheduled.
Even with the covid schedule it's rare to wait more than 6 or 7 mins for a train after hours.
I was at st clair and and dufferin for half an hour on the weekend and didn't see one eastbound streetcar. I feel like finch west will be worse especially since they'll likely run pairs of cars and have even worse headways (in practice)