You can't compare with RL.
Sensors are and will be overpowered anyway. The TGP is too. Everyone that will be released will be.
you can't simply compare with RL because the ground doesn't have the same resolution, cluttering from Bush, fences, ditch, foxholes.. etc..
When IRL you have :
And in DCS you have :
Doesn't compare much, isn't it ?
Detection range is higher in DCS than IRL and you will not be able to arrange that before a very, very, very long time.