Express that something is understandable or reasonable.
Verb-casual + のももっともだ, い-Adjective + のももっともだ,な-Adjective + なのももっともだ, Noun + なのももっともだ
Long explanation:
The ~のももっともだ grammar point is used to express that a situation, action, or feeling is understandable or reasonable, considering the circumstances. The formation differs depending on whether it is used with a verb, い-adjective, な-adjective, or noun.