The phrase "and arguably needs to" is correct and usable in written English.
It can be used when expressing an opinion that something is open to debate or discussion, particularly in relation to a necessity or requirement.
Example: "The project is ambitious, and arguably needs to be reevaluated to ensure its feasibility."
Alternatives: "and possibly should" or "and may need to".
And arguably need to be, by necessity.
Academic assessment arguably needs to evolve in the same way.
That said, Marsch arguably needs to either commit to Abang's future or look again at the attacking options supporting Bradley Wright-Phillips.
But Supporters Direct arguably needs to redefine its place in a modern game that is crying out for its influence as much, if not more, than ever.
Given the harm deflation can do, the ECB arguably needs to cut interest rates by more than seems appropriate for the euro area as a whole in order to prevent deflation in the zone's biggest economy.
Different generations will always find different things funny, but a publicly funded broadcaster arguably needs to remember that what might be hilarious to a 20-year-old in Manchester could equally be highly offensive to a pensioner in Torquay.
Barwise and Perry (1983) reconceptualized this idea in their Situation Semantics, though this lacks the tight coupling between sentences and events that is arguably needed to capture causal relations expressed in language.
But if location-based services like Rummble are to become more useful and embedded into our daily lives, they'll arguably need to become more passive, needing less and less intervention on the user's part.
Indeed, her predecessors failed to fix problems that Mayer arguably needed to address first: rallying and supplementing the dwindling, demoralized troops and upgrading key products and services.
And so to really enjoy a service like Twitch you arguably need to know something about video games in general, to be a part of the constant ever-evolving culture.
