Yes, this is precisely my fear. The moment that iOS is opened up to third party web engines and Blink-based Chrome has been ported, “viewed best in” badges will

Yes, this is precisely my fear. The moment that iOS is opened up to third party web engines and Blink-based Chrome has been ported, “viewed best in” badges will rise from the dead, and users will be badgered into installing Chrome for iOS, eliminating the last major non-Chrome holdout (Safari currently holds 16% marketshare). This will make Firefox extremely vulnerable with its ~4.3% marketshare.