It seems they were not in a dominant position in terms of market share. Anyone have a clue how low Oracle's market share was?
"Surveys suggest that Oracle's JDK distributions are not the most popular Java distributions anymore. Developers seem to prefer OpenJDK distributions from AdoptOpenJDK (now Eclipse Temurin), Amazon, Microsoft, Azul, and other vendors. These organizations also provide commercial support for their distributions. In the case of Eclipse Temurin, Azul offers such support."
"Surveys suggest that Oracle's JDK distributions are not the most popular Java distributions anymore. Developers seem to prefer OpenJDK distributions from AdoptOpenJDK (now Eclipse Temurin), Amazon, Microsoft, Azul, and other vendors. These organizations also provide commercial support for their distributions. In the case of Eclipse Temurin, Azul offers such support."