Football has a lot of potential among the young:On HFBoards they say no way, until Finland is a legit contender in ice hockey it won't be overtaken
EURO 2016: "In Finland, despite the national team The Eagle Owls being absent from the competition, 73% of viewers watched the final. The figure is even more impressive among the young population, where 87% of 15-34s watched the game either live or on catch-up online." Source: https://www.broadbandtvnews.com/2016/07/14/euro-2016-beat-viewership-records-throughout-europe/
Ofc, hockey is not going away either with its success.