Stiffy, you haven't had any mis-fortune or problems above that of any other beek who responsibly inspects and reacts to threats to their colonies by using accepted best (and recomended) husbandry practice. You simply have a known threat that you are dealing with. The person with the long term misfortune and problem is likely to be the "I will leave them to it" brigade, what jars me off is if that impacts on wider honey bee viability in the UK.
Treatment is not the long term answer either, not while there is evidence of resistance building up in the varroa population; but anyone claiming that 'non treatment' is a calculated way to help bees 'discover' resistance or 'tollerance' which is then passively spread through the wider population is a coupon short of a toaster (if you dont intervene you cant be monitoring the impact of a non-treatment approach - so it not a strategy!). Hopefully a robust and sustainable solution will be found but neither non-treat nor treat will deliver it. At least treatment means those bees (my bees) will have a higher probability of still being around to benefit from the answer when it comes.
It is anyones right to mange their bees in the way that is consistent with their beliefs and values but I can not reconcile that approach with protecting the investment that they must have made in equipment and stock and acting responsibly to minimise pest/threat proliferation for the good of all.
We will now sing hymn no 48 "All things bright and beaautiful" ... (surmon over)