According to someone else here “dominant” in the EU does not match the english definition of “dominant”. It doesn’t even factor in how many actual users there are.
I looked this up and as I suspected whoever said this didn't know what they were talking about:
"A firm is in a dominant position if it has the ability to
behave independently of its competitors, customers, suppliers and, ultimately, the final consumer. A dominant firm
holding such market power would have the ability to set prices above the competitive level to sell products of an inferior quality or to reduce its rate of innovation below the level that would exist in a competitive market. Under EU competition law,
it is not illegal to hold a dominant position, since a dominant position can be obtained by legitimate means of competition, for example by inventing and selling a better product. Instead, competition rules do not allow companies to abuse their dominant position. (...) A dominant firm is one which accounts for a significant share of a given market and
has a significantly larger market share than its next largest rival." —
DOMINANCE (NOTION)
4054 (“Competition Law”) defines dominance as follows: “Dominant Position is the power of one or more undertakings in a particular market to determine economic parameters such as price, supply, the amount of production and distribution,
by acting independently of their competitors and customers.”
Since Android dominates in terms of market power in Europe via its marketshare (71.83%) which is
more than double what Apple's iOS has (27.58%) the idea Apple is dominant in the EU in any rational sense of the term (layman or legal) is 'Trump really won the 2020 election' levels of delusional.