Oh look another thread about exams where random suggestions are made because it suits one demographic but screws over the rest....I'm alright jack approach.
What is the purpose of the exams?
To show that a learner has the knowledge and skills to progress to the next course of study or employment.
To reduce this content removed the knowledge and skills so devalues the qualifications for that year group. Yes they have had a rubbish course but to allow them to progress with only half of the content will just defer the issue to next year when they don't have enough base knowledge on the next course.
To change the assessment will result in increased pass rate - if you have 10 border line kids, you cannot predict which of those will succeed on exam day and which won't so natural increase is in place as you give all the benefit of the doubt.
It could be opened up to allow schools to decide when to sit the exam and offer additional exam periods. So they are enrolled for exams when the content has been covered. This would have impact in schools in terms of funding and staffing and space.
It's no longer an emergency response to a problem and the y11/13 lost less than 10%of their course time when cags were awarded. This cohort have lost 20-30% (depending on closures/term dates) of their courses so cags are much less reliable and too much is lost to be equivalent to other year groups.
The schools have to now put in place plans for how to run exams in a local closure so that they can go ahead....an exam has to be socially distanced already so it's doable (yes lots of additional things to factor in but that's what the good exams officers are doing - planning for this, looking at can they do online exams can they facilitate this)
My personal preference would be to have students select a personalised learning plan of reduced options and drop a couple of subjects and put that time into others - if they know what they want to do for the next step (gcse to a'level) you could prioritise and offer half GCSEs to those which they don't need - all anyone cares about when you are an adult is if you have maths and English anyway!
Unis could identify the priority subjects in their offers and allow alevel students to drop grades in one or defer these to later to allow a focus on specifics.
Apprenticeships and industries can defer the exam or again offer priority areas Those unable to prioritise would need to look at deferring or reducing grades by taking the exams.
It needs a coordinated approach from across industries and government. And that there is the issue! We need a managed approach which appears to be an impossible task!