CS:GO's Map Stories Investigated

This video contains a paid promotion for NordVPN. Every purchase of a 2-year plan will get you 1 additional month free AND a surprise gift- go to https://nordvpn.com/kliks and use code 'kliks' Some of CS:GO's maps don't have stories. Others do, but have been long-since forgotten or hidden. When the game goes to such lengths to polish its levels and to give character to its player models, why are the maps' backstories so neglected?