O1S is probably easier than both the Ex primals, considering it's literally normal mode with one or two new mechanics.

If they're going to introduce people to raiding, they should at least make the content a little harder than what was already available. Honestly it's a joke when PF parties, midcore groups and newbies are clearing a savage turn in one lockout. I could almost see 02S as being a good starter for new raiders, but O1S is pathetic.