If I thought there was a problem I would agree but I don't.
Dust mostly dissipates in four turns from being produced which is maybe 12 minutes real time and it's only an issue when visibility gets above 75 ( not 80 BTW ). I honestly do not see 12 minutes as being an excessive amount of time when in all battles but campaigns and scenarios
a player can simply keep visibility to under 75 and it's not an issue at all....that's near the upper limit for tank guns in WW2 anyway and well beyond the limit anyone would risk exposing their position by taking a shot
Turn 1
Turn 4
If the issue involves PBEM then it's simply a matter to agree with your opponent in advance that visibility should not exceed 75 if you don't want to deal with dust.