>>56073031nah it was the perfect time. the series evolved a lot between gen 1-3, but the core gameplay remained mostly the same. so they were able to bring it up to speed with modern (at the time, but it still holds up) QoL and mechanics. that's why FRLG and HGSS were such successful remakes. too much of a gap between the source material and the current games, and you end up with stuff like LGPE and BDSP that is trying to be both at once and fails to be either.
marketing wise, they were able to sell Kanto to a whole new generation of kids who had grown up at the tail end of Pokemania meaning they were familiar with Kanto, but might've been too young to actually have played RBY. it was a great opportunity.