I think that assuming work can be done more easily in the future should not stop people from doing work that needs to be done in the present.

(If a painter knew that the camera was coming out I would not want them to throw their canvas away)

> (If a painter knew that the camera was coming out I would not want them to throw their canvas away)

That's not a fair comparison because the painter produces different work, whereas tax computations will be the same.