You like what you like and should certainly watch and play the games you enjoy the most.
10ball is still a fringe game and may always be. There are probably twenty significant 9ball events for every 10ball event. No call shot game will ever replace 9ball. Snooker does not use call shot, and neither does one-pocket, surely the most difficult game played on a pool table. The notion that call-shot is somehow needed to preserve a game's integrity is among the most ridiculous in recent times.
That said, demand for participation in 9ball events has never been higher. Streaming numbers for 9ball have never been higher. No, general pool fans are not tired of 9ball, and 9ball has, in the last few years, brought pro pool to the highest heights we have ever seen, in terms of investment, production quality, participation, and fandom. The event on the pro pool calendar in which fan interest is highest, by far, is the Mosconi Cup, a 9ball event, which tends to sell out within a few days of the onset of ticket sales.
9ball is not repetitious, either. Per AtLarge stats, the break and run rate at the European Open, the most recent 9ball major was 23%. Nobody is stringing racks in the 9ball majors and most of the racks played are fought for, with defensive and tactical play at a premium. It is not clear how that could be labeled repetitious.
One day, the 9ball era will end, just as the straight pool era did, but the 9ball era is now about forty years old and it is probably going stronger than ever before.