An interpretation of the abrupt Lend-Lease cutoff

Was the abrupt end of Lend-Lease a deliberate American attempt to weaken Britain?

The explanation offered favors oversight during the presidential transition, citing the difficulties the cutoff created for both countries.

One proposed explanation attributes the abrupt cutoff to oversight during the transition from Roosevelt to Truman. Poor coordination among different parts of the American government is offered as a reason the consequences were overlooked. The resulting difficulties for both countries are used to question the idea that the cutoff was a calculated attempt to damage Britain.