Change your parents' portfolio or let expensive funds run?

Hi everyone, I would like your opinion on a topic that concerns my parents. My parents are both retired and recently gave me bank powers of attorney for their accounts. I've now gone through their portfolio in peace and basically my parents only have products at Union Invest: UniRak (+49%) UniFavorit: Stocks (+178%) UniSector: HighTech A (+183%) UniESG Stocks Global (+114%) Private Fund: Controlled per (+74%) UniESG Stocks Global (+112%) UniFavorit: Stocks -ne