In the professional sector, individual devices are typically used, such as a modem/converter, a router, a firewall, a DECT station, etc. A Fritz!Box can do all of this in one device, which is sufficient for 99.9% of private households and, above all, reduces the complexity to a manageable level for laypersons. Those who need more must upgrade accordingly but should also have a better understanding of the technology. VLANs are likely unnecessary for most home networks.