"It's a completely functional keyboard for the price of a fancy coffee."
"Deep-profile keys" simply means the keys have a longer travel distance than modern laptop or chiclet-style keyboards, resulting in a more traditional, but mushy, desktop typing feel.
This is a default choice for corporate IT departments, users needing a cheap replacement for a broken keyboard, or for setting up a secondary computer. Its value is in its extreme low cost and basic functionality from a known brand.
Anyone who types for more than an hour per day should invest in a keyboard with better switches to avoid fatigue. Gamers and programmers will want features like n-key rollover and mechanical or more tactile switches.