Regardless of the tool used, trial spawners always take the same amount of time to mine. This makes trial spawners even harder to break than reinforced deepslate, despite having way less blast resistance.
Comments 4
Per slicedlime's own words, those videos are a side project, and are just introductions to the snapshots' changes, it's not a WAI source.
Though, yes, probably by design.
This is likely WAI considering how the Trial Spawner was introduced in News in Minecraft Snapshot 23w45a: Trial Chambers & The Breeze! by @unknown.