In your example, if we consider the environment a stakeholder, and the fact that increased safari impact has a negative impact on the ecosystem, there's a stronger argument for higher price.
In the case of the Louvre, the paintings and sculptures aren't going to be harmed by having more eyeballs on them, so, there's a stronger case to maximize access.
Maybe one day if VR becomes commoditized and freely available.
Some of the same people who don’t want to spend $300 for a Louvre ticket will happily blow thousands on visiting Disneyworld and put themselves in debt. Get outta here.
The Louvre is a public institution. as stated by their endowment fund: The Louvre is heir to a universal cultural legacy. Its duty is to bring that legacy to the widest possible audience, and pass it down enriched to future generations.
People should be entitled to visit the Louvre for cheap because that is literally their mission.