Monero is quietly gaining lots of adoption on websites, services, exchanges, dark net markets etc.
I'm sure it's not true for exchange (Centralized ones) since legal makes it much harder or even impossible to list Monero on their exchange.
Node count has passed BTC and mining hash rate is growing rapidly as you don't need an Asics, just your PC.
Can you share which source data you use for Monero node count?
Also scaling is another issue, Bitcoin fees are 1000x Monero fees.
But don't forget there are less TX created on Monero network compared with Bitcoin network. Monero TPS is also lower than BTC due to higher TX size and lower block size, despite lower block time.