You have taken one statement from a commentary by a 14th century (7th century Hijri) scholar who is speaking about Imam Abu Hanifah in isolation to many other commentaries about Imam Abu Hanifah by other scholars. To say categorically that Imam Abu Hanifah detested tawassul - you will need to show that there is “no statement that shows he did it or approved of it” rather than showing one example of where it might be about tawassul.
Here the example you have given is about detesting a specific phase … “By the right of” … In other words what is stated here is:
It is detested but not considered forbidden
To say “by the right of” - but the reason is not stated by you as to why it is detested …
You are applying this example on the whole subject of tawassul … in order to be fair don’t cherry pick bring all of the possible sayings that both support it and are against it in all of its possible manifestations and then start discussing … that I think will take a long time - so it is better not to start these fights and arguments and concentrate on oneself and leave others alone.