I suspect it's a do-er MC since he hits his dad, runs off to do external work instead of dealing with inner work, etc. But I'm not sure.
I'm no good with OS's in general. For this movie, it's hard to know what is MC TL and what is OS. I can use a trick and use the subject matter / genre of dysfunctional relationships to call it a psychology OS or conceiving an idea since I already want to jump to non-acceptance / acceptance as problem / solution. Plus, I usually have that same confusion about MC vs OS TLs when it's a psychology OS. But I lack a really good reason beyond these hints.
That puts the MC in the present, but nothing obvious jumps out as his external status that is separate from the family OS. Something to do with his job? Writing the low status puff piece instead of his usual work? Again, is the article the OS while his family problem is the MC TL? Help!
If I set the software to change, linear, do-er, action (guess), optionlock, success, good along with OS of psychology & OS problem of non-acceptance, then some elements that make sense with this storyform are:
IC problem: Reaction - I can see this as Fred consistently causing reactions in Lloyd. It can also be Lloyd noticing how people keep reacting to Fred Rogers when they see him. Lloyd asks him about this in every act. Something like, "It must have been hard for your kids to have Mr. Rogers as their dad."
IC unique ability: Doubt - Fred causes Lloyd to doubt his misanthropic outlook.
MC critical flaw: Investigation - This could mean Lloyd won't investigate / listen to his dad, wife, etc. It could also mean he's wrapped up in his investigation work so he doesn't focus on the OS family-related caper.