If anything, the higher the competitiveness, the better a counter-example it makes.
https://www.facebook.com/ads/library/?active_status=all&ad_t...
https://adstransparency.google.com/?region=US&preset-date=La...
Why would other companies advertising on costco.com relate to Costco's own advertising practices elsewhere?
If anything, the higher the competitiveness, the better a counter-example it makes.