Why SAFe, LeSS, Nexus etc. exist (i.e. the challenges orgs face when trying to leverage benefits of agile) and why you don't need them (because it's about deliberate intent with small practical steps, which I will describe).
Key takeaways
What problems do SAFe
Why you don't need any one particular named framework
How you can start improving software delivery effectiveness "at scale" without a named framework (in small