We'll just ignore the issues associated with increasing full-node storage requirements even faster than they're already increasing. And lower transaction fees lead to lower block rewards which lowers mining profitability. Both of these things result in more centralization.
While we're at it we'll forget the post-fork difficulty adjustment faisco brought to us by the Bitcoin cash devs. We'll just trust their competancy and good will.
Also we won't think about the legitimate off-chain solutions for transaction rate scaling, or how the side-chain concept dates back to early Satoshi emails.
There are better alt coins for cheap and fast transactions. Besides, recommending something based entirely on those two factors is a massive oversimplification.
There are some very good reasons for small blocks and higher on-chain transaction fees.