How is it drivel? A fit Martial who is playing most weeks is capable of contributing much more to the team in performances this year and as a foundation for the evolution of the squad and how EtH would play, rather than current Ronaldo.
That's objectively true. Martial has shown as a CF who is healthy that he can score goals and contribute very well as part of a functioning unit. Ronaldo isn't at that stage of his career anymore, which requires a sustained amount of defensive duties and awareness. In addition, to the wages Ronaldo commands against Martial, Ronaldo is a very expensive luxury player. There is no ready made team in club football for him anymore that is willing to take on his wages, his limit goal contribution which is very much dependent on service, and requires players who will do the running for him more times than not.
If we're being objective and less sentimental, the sooner Ronaldo leaves, the better it is for everyone. The EtH train won't stop for anyone. This is far from it being about Ronaldo now. He had his one comeback year and it didn't work out. Fine, let's just move on and call a spade a spade. Ronaldo isn't meeting the requirements of elite level football anymore and the demands it asks for.
He either stays and accepts what's he ask to do at whatever level/competition, or he continues to seek avenues to leave.