From a literal persepctive death is not listed as a curse in Genesis. Death is a blessing because without death the earth would over populate.
God would have intended only a limited number of animals and people, if sin never entered the world. Pre-fall ecological crisis? - creation.com
God blesses the living creatures with the purpose of them “filling” their respective domains. Thus, if Adam and Eve never sinned and the creatures filled their domains, clearly they would have had no need to further multiply, but it also means they would have fulfilled that purpose God gave them to fulfil. If they fulfil that purpose God gave them, why think God would let them multiply beyond the fulfilment of that purpose? The onus is not on us to stop ‘filling’; God would’ve stopped it if that aspect of His purpose for us had been fulfilled.