I will say:
- Liverpool were very fortunate about the calendar (easier games at the beginning of the year), injuries, decisions by official (for once! After all the missed titles or pts dropped because of them over the past few years)
- Slot game management and in game adjustment have been also very important in getting results they would not have done before with Klopp. (Way more pragmatic in his approach, results are more important than dominating the scoreline or the way they play which also brought up a bunch of haters that believe a lot of LFC results are fortunate, as they would rather keep a 1 goal lead than trying scoring more goals)
- Main top 6 competitors collapsed. From Arsenal, Man City, Manchester United, Tottenham they all played below their expected standards from the beginning of the year. Only top 6 team that matched their expectations are Liverpool and Chelsea.
- Salah, VVD. I know Salah is the main guy and the favourite for ballon d'or (rightfully so) but I also believe having VVD is also a cheat code, the guy just ooze class, leadership and can compete against any top forward in the world. These 2 have had some of their best form ever, and they are a big reason on the title.
- Under appreciated depth, nobody in the football world (outside LFC fans) truly rated their midfield. If you did a vote at the beginning of the year they would probably be voted 4th or 5th best midfield in the EPL maybe even lower. Szoboszlai , Gravenberch, Jones, would have all been categorized as average at best and Mac Allister, not elite, just good. I think IMO and from what I have seen, they have carried the whole team this year. All of them stepped up and they have played as the top unit of the premier league this season.
Overall, without Salah or VVD, no title. Without Slot most likely closer to Arsenal and with a few more dropped points. Squad depth (injuries and time management) and quality in midfield were also under appreciated for the title.
Now, the big question like what happen next season? It will depend on the 3 out of contract players and recruitement. Until that is clarified I would not be able to project if they can repeat again. History would suggest no though.