Did you read the article? It discusses the lack of 4G/LTE support for two full paragraph at the beginning...
"It’s as close to perfect as I’ve seen any Android smartphone get. But the Nexus 4 falls just short of perfection due to one major omission: It’s not compatible with any LTE networks... The lack of LTE connectivity will spoil the Nexus 4 for some. But if you don’t mind living without LTE — and you likely currently are, given AT&T and Sprint’s small LTE footprint, and the fact T-Mobile has yet to begin building its LTE network — then the Nexus 4 is a good buy."
"It’s as close to perfect as I’ve seen any Android smartphone get. But the Nexus 4 falls just short of perfection due to one major omission: It’s not compatible with any LTE networks... The lack of LTE connectivity will spoil the Nexus 4 for some. But if you don’t mind living without LTE — and you likely currently are, given AT&T and Sprint’s small LTE footprint, and the fact T-Mobile has yet to begin building its LTE network — then the Nexus 4 is a good buy."