I'll try and help with logic, should you allow.
You say 'Why isn't gravity just the shape of the fabric?'
Question: Define 'Gravity'?
Question: Define 'Shape'?
Question: Define 'fabric'?
In order to understand 'gravity' you must first prove it to be either an impulsive/expulsive force, neither, a blend of each or none, yet all of the above...?
Open Door 1 before opening door 'silliness', please.