I'm certainly not an expert but this method seems a bit on the extreme side. There are chemicals available for the pest if you desire. I simply bag my apples and pears. Two years and has worked well. Good luck

I don't think it would work. Down here in SW Texas we only have a few coddling moth. Several yrs we've had a total freeze out and it doesn't get rid of them. We've had almost no apples in two yrs and I haven't seen them in about three yrs but they are back again late in the season, Julyish.

I think there are alternate hosts or they'll fly in from afar. Spraying is the easiest way.

Walnut is an alternate host I seem to recall reading. Bagging for 2 years would give you the same effect and you'd get the fruit too.

codling moths fly for at least a mile and a half.

I agree that it seems very unlikely that your population is entirely dependent on that single apple tree. If so, a single well timed application of pesticide to eliminate the first generation would solve your problem as well- and you'd get fruit.

If you spray that first generation and a second G. infestation occurs, you will know they are coming from somewhere else.

I have never heard of even isolated commercial orchards getting control of this pest by such an approach, but there's lots I haven't heard of that exists in the world.