If it's python, if i'm able to use python modules and call functions from excel ( udf ), why IronSpread folks pushes for useless demos ? Show me some network s

If it's python, if i'm able to use python modules and call functions from excel ( udf ), why IronSpread folks pushes for useless demos ? Show me some network stuff. Show me how can i write a simple crm ( no not like the one on their blog ) " with " centeral db and gives me ability to work with my coworkers together. Show me how can i gather information from different sources ( web, db v.s. ) and analyse it.