I don't think monero will become the next bitcoin because the next bitcoin is one and only is ethereum not because that coin is rank 2 in CMC but because also the potential to that coin pumo the value like bitcoin like 10k dollars more in the next few years.
That's correct Monero is not a competitor to BTC as the dominance of bitcoin has a margin difference when compared with Monero. BTC is the key player of this cryptocurrency market, guys don't imagine about these stuffs like it will overtake BTC.