Wrong use of “more”

English for Today by Ganiu Abisoye Bamgbose (Dr GAB)

Wrong use of “more”

He’s more taller than his brother (nonstandard).
He’s taller than his brother (standard). When an adjective such as “tall” attracts the “er” comparative marker, it shouldn’t further attract more. Other wrong usages include: more better, more finer, more closer.

Can you shed more light on this topic (nonstandard)?
Can you shed light on this topic (standard)?
GAB