apologies for the upside down photo's, no matter what I do, I can't get them the right way round!

Next time you have the bonnet up, check just above the side vents & below the windscreen side panel, both my 'foam thingys' weren't where they should be. One was tucked down near the door hinge & t'other was back about an inch.
I take it they're just meant to stop water & general debris going in towards the door hinge area?
Someone at JLR was obviously very low on UHU glue at the time, I've seen more glue on an envelope than on the back of both these foam wedges.

They get soggy and most end up in the bin. Current: FF Westminster money pit

Gone:
RRS 4.2 SC
RRS 3.6 TDV8
FL2 TD4

Ditched mine on day 1. Water sodden traps. Made no difference to wind noise in car. A LR cheapy  Gone to a good home: 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
2025MY Defender D350 90 in Silicon Silver on coils
1974 Series 3 Lightweight = "Millie"
Many, many other Landies over the years
My preferred specialist: www.glenrands.co.uk
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And there was me ready with the hot glue gun to put them back!
You don't think they're worth putting back where they should be?
The one that was half way down the door, is indeed sodden, and needs to be dried first. 2012 Orkney Grey Westminster 4.4TDV8 with Ivory interior.........nice!
Alfa Romeo Giulietta
Just one Montesa now, 349 White Wonder
Austin A40 Farina MK2
1975 Morris Marina 1.8TC
1973 Honda CB250 K4

I'm sure they were originally put there for a purpose, perhaps to prevent water dripping onto the hinges as you mention but it seems that they were not fitted to last long. I have one still in situ and one that is loose, so far I have left them as they are (apart from putting the loose one back in place whenever I open the bonnet). From those that have taken them off, they haven't reported any issues so I guess you either re-attach or bin them, safe in the knowledge that whatever you do will be fine. 2011 TDV8 Vogue SE