Scalability challenges stem not from block size but from the broadcasting and storing of transactions across network nodes. Alternatives like the Lightning Network and covenant technology are being explored to address these issues.

Comparisons with credit card payment systems highlight Bitcoin's higher transaction costs due to fees that control spam but also limit its use for payments. Proposals include increasing block size to lower fees and make Bitcoin more competitive.

Spam prevention via transaction fees is effective yet inconsistent; advanced methods like payment pools and tree payments have been suggested to improve this and can be found at UTXOs Scaling. Innovative data storage within transactions using multisig and Taproot’s Merkle proofs is being debated, with suggestions for natural economic deterrents to discourage misuse.

Discussions on witness data storage involve concerns about storing 'toxic data' and proposals to limit data size or alter incentive structures. GitHub references such as PR 28408 and Issue 29146 indicate a broader dialogue on control mechanisms against unwanted data, including deprecating certain opcodes.

Storing NFT content as witness data poses risks regarding node storage capacity and disk usage. Suggestions include imposing size limits and alternative methods like extension blocks. Linking sats to real-world deeds is considered, however, storing actual property on the blockchain is seen as impractical.

Robert Dickinson and Alicexbt contribute their perspectives on storage capacity and blockchain space management. Dickinson recommends premium charges for image storage, whereas Alicexbt advises capacity planning and proposes a "local bitcoin" system to avoid main chain storage congestion.

Amidst this technical debate, there is also discussion about the cultural and innovative uses of data storage, such as embedding images during festivals. However, there are calls for responsible usage and education to prevent negative consequences from arbitrary data storage.

Aymeric Vitte presents a vision for integrating Bitcoin into the NFT and 'web3' sphere. He suggests a centralized bitcoin-based NFT system for efficient referencing of low-value NFTs in transactions, contrasting with decentralized approaches.

The debate considers balancing innovation with the practicalities of Bitcoin’s infrastructure. Core developers face the challenge of addressing diverse opinions and the long-term effects of permitting unlimited data storage through witness data and ordinals, aiming to ensure Bitcoin's evolution remains robust and sustainable.