All good points, but 2020 was not a typical offseason.
The LA Rams, like many teams, offered the minimal opportunity to rookies, instead focusing what little prep time they had with their pre-ordained starters. Akers, as one of the Rams' rookies, was not given the opportunity at practicing with the 1's until the season had begun.
Yes, he will need to improve this year. Thankfully, he should have ample time to do so.