Windows will more than survive on corporate and enterprise licenses purchased by the thousands daily. The integration of their cloud services like SharePoint into mass subscriptions of office 365 is enough for Microsoft to not care about some niche influencer market. Besides multimedia editing software was always dominated by Apple which Microsoft specifically brought back from bankruptcy specifically to avoid an anti-trust case. They don’t want that corner of the market and never have.
Linux desktops will never be able to take over unless corporations start installing it for all of their employees. Which again is unlikely considering large corporations don’t like change especially in their revenue.