I believe the CAA has the view that:
"Travelling time, from home to departure aerodrome, if long distances are involved, is a factor influencing any subsequent onset of fatigue. If the journey time from home to normal departure airfield is usually in excess of 1 hour 30 minutes, crew members should make arrangements for temporary accommodation nearer to base."
There used to be words to that effect in CAP371, it does not differentiate between short haul or long haul. This is probably why most companies use 1:30 for standby duties.
As Rainboe mentioned if you are doing shorthaul and doing that kind of journey every day your quality of life suffers and you are permanently tired. This affects both your work and home life.