For simple alignment to be out enough to wear them that badly in such a short time i would have said the car would be almost undriveable, especially over undulating roads.
I'd be looking at other suspension bushes which might be old/perished/soft allowing the alignment to toe out at speed, in such cases the alignment when stationary can be perfect but once up to speed faulty bushes compress.
It can be most illuminating to drive along a continuous white line, especially when the road is wet, if you allow one side of the car to drrift onto the white line and the car starts to veer one way or the other, it's a good pointer to their being tracking issues of some sort, because the side of the car running on the wet white paint will have less friction resistance, so the tyre with more grip will be the prime steering tyre and if they are pointing in different directions the car will want to go that way.
Also this is another time where watching how your car, driven by someone else, behaves over different road surfaces can be revealing, showing up suspension/alignment issues which might not be apparent during normal checks.
The funny thing is that bush wear at the rear tends to be more obvious, especially on RWD cars, anyone remember that horrid feeling from mk 3/4/5 Cortinas when the top bushes at the rear wore, often an annual thing to change, then it was those large bushes at the front end of Sierras which wore badly leading to wandering steering, never had too much to do with Mondeos to know what the weak points on those are.
Edited by gordonbennet on 31/03/2019 at 14:56
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