Reasons to choose Ayaka over Skirk:
>Ayaka is prettier than Skirk
>Ayaka has smaller forehead than Skirk
>Ayaka is from Inazuma, the peak of Genshin Impact
>Ayaka is not a Normal Attack spammer, it requires skill to play her
>Ayaka benefits from C5 Bennett
>Ayaka has a Fontainian dress, Fontaine is the second best region
>Ayaka is not stuck in Freeze teams
>Ayaka can equip Azurelight
>Ayaka deals more damage than Skirk