I can easily see the future of personal computing being a mobile device with peripherals that use its compute and cloud for anything serious. be that airpods, glasses, watches, or just hooking that device up to a larger screen.
theres not a great reason for an individual to own processing power in a desktop, laptop, phone, and glasses when most are idle while using the others.
In a way it's the same strategy that Nintendo used to re-gain a strong position in gaming (including the lucrative Home Console market where they'd fallen to a distant last place) - drafting their dominance in Handheld into Home Console by merging the two.