The absolute best thing about Rice is a rock solid level of consistency. I’m not overly convinced on his top level, but his bottom level is an absolute sure thing and is weaved into his value. He guarantees an above average performance in every game - his criticism will come from not being an 8+/10 superstar rather than not delivering the remits of his position; he’s Denis Irwin in terms of consistency; for any doubts about what he might ultimately become, you can be assured he will stay where he is as a totally dependable player, easily one of the most consistent in the league in terms of what he assures.
I’m in the camp that seeks elite levels of performance as a first regard for extremely expensive players and have mostly said I don’t see the £100m+ player in Rice, but two things have happened over the last couple of years and the fact of the matter has been that so many in this bracket haven’t even delivered the level of performance to their new club that got them there in the first place and the second is that £100m or so has become the going rate for highly rated midfielders in the PL via artificial inflation, by these factors, Rice is an exceptional purchase ensuring a bare minimum of 7/10 week in and week out, game after game. 8+’s may normalise over time, but even if they don’t, he’ll justify the fee as a lynchpin of the side for years to come.
Whether he’ll become a PL all-time great or not will boil down to the amount of times he can take his game into those elite categories to match the bar of those that have gone before him.