Every system scales in layers.
The Lightning Network, Liquid, Fediments, Cashu, and other layer 2 scaling solutions fix this.
Discussion
Listened to a podcast that said even with layer 2 - the network could only handle a couple of M or B users... We arent there yet rest assured, and when Bitcoin becomes more saturated perhaps other cryptos will be used more too 🤷♂️ I can look for the pod if you want to hear it for yourself - it was specifically about layer 2 research