The phrase "all this demands" is correct and usable in written English.
It can be used to indicate that a situation or set of circumstances requires a certain action or response.
Example: "Given the complexity of the project, all this demands careful planning and execution."
Alternatives: "all this requires" or "all this necessitates".
Surely, all this demands a serious investigation and serious regulation.
All this demands from filmgoers an attitude of awe and reverence: the religious architecture tells you the film showing inside must have the sublimity of some divine revelation.
All this demands a bipartisan American grand strategy for the next 20 years, but US politics seems incapable of generating anything more than a partisan soundbite for the next 20 minutes.
Statements that go beyond the evidence or move into the realm of advocacy need to be avoided.The argument that all this demands only gradual reform rests on the idea that the IPCC is already meant to be doing these things, and that the report just provides a helpful codification of best practice.
All this demands outrage, and at long last there's outrage.
First of all, this demand is based upon a false premise, that of the supposed "intransigence" on the part of the Israelis, which leaves the opposing party no recourse other than this diplomatic putsch.
All of this demands similar studio fees but comes without the goldmine of repeat fees.
All of this demands immediate investigation.
Where will all this demand come from, since Wall Street is no longer as flush as it once was?
In any case, at current rates of production it will take several years before the drug's manufacturer, Roche, is able to meet all this demand.
All this demand for new and better experiences is pushing both domestic and international resorts and popular destinations to expand and upgrade their activity offerings.
