No, the main issue is the validation. Monero txs are larger and take more space. That means they're more expensive and harder to validate. That means less users are validating, and that means less security.
Discussion
You are wrong. The issue is block size. In btc people have to outbid others for limited space in a block, which drives up the price. In xmr the block size will adjust to accommodate the demand.
You're wrong. When talking about scaling, the issue is validation. In Monero, people cannot run the nodes so they'd need to trust centralized entities for validation, that's much bigger problem than higher tx fees.
Again - an entirely different topic and that has nothing to do with fees