
I fail to see how this is tautological.
How is that antithetical to the scientific method? Science uses routinely uses manufactured conceptual instruments, theoretical objects and even applies mundane concepts in a metaphorical way. Science is a struggle to create theoretical frameworks that explain observations, and this is why in times of crisis science often turns to philosophy, since old frameworks might not be doing it anymore and philosophy provides new ones, as it happened with the crisis of classical mechanics, for example. This is a relevant example because it relates to the issues of space being absolute or relative and time as well.
Well, Camus and Sartre are not exactly about finding meaning, but dealing with the world with no inherent meaning.
No advice here, but I suppose it would be rather difficult to argue for objective meaning of life under atheism, which seems prevalent here on lemmy, so I would consider the feasibility of the existentialist project, in creating meaning or living with the condradiction between our desire of meaning and the meaningless world.