"I do believe that Raku and Perl 7 will at some point combine."
No. Way. In. Hell. We've got 20 years of nonsense trying to separate the two. There is no way they will ever converge.
"People overuse Object Orientation (OO) in my opinion."
Would you mind sharing what your opinion actually is? I've got 54 (I think) CPAN distributions, and I'll bet less than 10% are non-OO. Most software in other languages I write in are OO as well. Typically, if I'm not writing low-level hardware interface software in C, I like OO (for the most part). What in your mind defines when OO is being overused?
"For Python, if you know and understand OO, then OO is fine."
Python, in-and-of itself, inherently is OO, right to its core. Whether you know and understand OO is irrelevant, because if you're using Python, you are by default using OO even if you don't want to ;)