"The "one-size-fits-all" network paradigm employed in the past mobile networks (2G, 3G and 4G) is no longer suited to efficiently address a market model composed by very different applications like machine-type communication, ultra reliable low latency communication and enhanced mobile broadband content delivery.[2][11]"
"to address a market model" in the sentence seems to support your claim.
https://en.wikipedia.org/wiki/5G_network_slicing#Key_concept...
"The "one-size-fits-all" network paradigm employed in the past mobile networks (2G, 3G and 4G) is no longer suited to efficiently address a market model composed by very different applications like machine-type communication, ultra reliable low latency communication and enhanced mobile broadband content delivery.[2][11]"
"to address a market model" in the sentence seems to support your claim.