Uhm, no? I ran cat 5e through my house in all the bedrooms and common areas back in high school and I'm still using them in addition to my Wi-Fi network, which

Uhm, no? I ran cat 5e through my house in all the bedrooms and common areas back in high school and I'm still using them in addition to my Wi-Fi network, which historically hasn't been 1/1,000 as reliable as the copper cable. Even now I have higher bandwidth (1gbps) for each computer connected, and it doesn't have wireless interference to contend with.