While the passage of time in the Marvel Comics universe is unusual and definitely operates as a “floating timeline,” Spider-Man has clearly aged more than a decade since he was bitten by that radioactive spider, and since that time has gone to college, married (which was later undone), led his own company and more.
If Holland’s pitch sold the right people, we could watch the MCU Peter’s life unfold the same way.
Tom Holland laid out his plan to Empire about how he wants audiences to see his version of Spider-Man progress from being a high schooler to an experienced adult, which would guarantee that the actor would remain Peter Parker for many years.