I think it's not so. Interest to altcoins is high enough. At the moment BTC is on rising but typically after that much money goes to altcoins and altcoins will be pumped too
it should be like that, but the reality is different. because the current state of bitcoin is increasing but it is different from the altcoin situation. because currently the altcoin is experiencing a decline and it can be stable. so what we imagine about the altcoin incident is certainly different.
It can look like that but you should never follow the public in these situations. When people were scared of bitcoin going to 1000 it really was the best moment to buy. If you bought 2 months ago you'd have a lot of money now.
If you are afraid of altcoins losing value overcome it and buy more because if bitcoins continues its journey to the moon altcoins will sooner or later follow. It won't be as volatile altcoin boom like in 2017 when ICOs were popular but it will still be profitable. Most altcoins are on the green today thanks to bitcoin.