[behindsight]

It seems the 2nd EU link of gatekeepers in my original comment is no longer loading as it was before, but this link with "_en" suffixed to it does; can't edit my previous comment though.

https://digital-markets-act.ec.europa.eu/gatekeepers_en

In there you will find pdfs for each entity with not only the qualifiers/assessments, but also the counter arguments they presented.

For example, here is one from Alphabet that also brings up your point in the counter argument

https://ec.europa.eu/competition/digital_markets_act/cases/2...