Level 6 Valued Member
100% with you, my main consideration at this stage for adding things like bench or gorilla row is that very often the beginner lacks the strength to do basic bodyweight moves. There are regressions, and if you're familiar with them you do not need weights, but weights can be an option.
Do you mean they don't have the core strength or the upper body strength? I would use a smith machine and adjust the bar height to really easy to start and focus on the moving plank.