well if u dont take it there is the risk that u lose before u even took the blue tib. u dont have to spent all the money but i case u get pressured hard u just have the recoursses to spam fast to counter
Since Technique was being aggressive it meant that he knew what bike was going to be doing. This meant that he didn't need the immediate income but knew that if he let his fields regrow he would benefit from a larger amount of income in the future that would allow him to build up a big enough force to steamroll bike. Thats how I read it anyway - maybe he just forgot