[Lazamataz]

A Dyson Sphere is inferior to a Dyson Ring, and you’d have so much real estate from a Dyson Ring, you wouldn’t need to worry about that.

[ZOOKER]

It's just an academic exercise anyway. Construction would take materials and technology so far beyond what we have.

Assuming you develop it, you have to ask, "with this much energy, material and technology available, why do I even need a star?"