Re: your true or false question: i think the answer might be: technically it's surprisingly false, but it requires almost absurd total redesign of bitcoin; see our discussion here:
Has anyone tried developing a soft fork that would actually verifiably stop all spam?
1. Make a new address type that has a public key + proof of knowledge. 2.5x larger than current addresses. No script nothing else.
2. disable spending to anything other than the new address type.
Spam solved.
You could modify (1) to allow raw multisig also. You can actually do lightning without script using MuSig + adaptor signatures. So everything keeps working… in theory :)
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